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Now · 7:04 p.m.

Keyson Weather & Hourly Forecast

Canada · Ontario

Mostly cloudy
17°C
Mostly cloudy
Feels like: 16°C
💧 Humidity 76% 🌡 Pressure 1023 hPa 💨 Wind 6 km/h 👁 Visibility 60.7 km ☁ Clouds 63% ☀️ UV index 0.2 · Low 🌅 Sunrise 7:15 a.m. 🌇 Sunset 7:15 p.m.

Hourly Forecast for Keyson

Today
Partly cloudy night · 8:00 p.m. Partly cloudy night
15° 💧 0 mm 💨 8 km/h 81%1024 hPa
Partly cloudy night · 11:00 p.m. Partly cloudy night
13° 💧 0 mm 💨 7 km/h 89%1024 hPa
Tomorrow
Partly cloudy night · 2:00 a.m. Partly cloudy night
10° 💧 0 mm 💨 6 km/h 99%1023 hPa
Partly cloudy night · 5:00 a.m. Partly cloudy night
10° 💧 0 mm 💨 6 km/h 99%1023 hPa
Fog · 8:00 a.m. Fog
10° 💧 0 mm 💨 7 km/h 99%1023 hPa
Sunny · 11:00 a.m. Sunny
15° 💧 0 mm 💨 3 km/h 80%1023 hPa
Mostly sunny · 2:00 p.m. Mostly sunny
19° 💧 0 mm 💨 3 km/h 57%1020 hPa
Sunny · 5:00 p.m. Sunny
19° 💧 0 mm 💨 6 km/h 52%1018 hPa
Clear night · 8:00 p.m. Clear night
13° 💧 0 mm 💨 5 km/h 83%1018 hPa
Clear night · 11:00 p.m. Clear night
11° 💧 0 mm 💨 8 km/h 91%1018 hPa
Monday
Clear night · 2:00 a.m. Clear night
9° 💧 0 mm 💨 9 km/h 98%1018 hPa
Mostly cloudy night · 5:00 a.m. Mostly cloudy night
9° 💧 0 mm 💨 6 km/h 99%1018 hPa
Fog · 8:00 a.m. Fog
9° 💧 0 mm 💨 6 km/h 100%1018 hPa
Sunny · 11:00 a.m. Sunny
16° 💧 0 mm 💨 4 km/h 68%1019 hPa
Sunny · 2:00 p.m. Sunny
21° 💧 0 mm 💨 2 km/h 48%1017 hPa
Mostly sunny · 5:00 p.m. Mostly sunny
21° 💧 0 mm 💨 6 km/h 48%1016 hPa

15-Day Weather Outlook for Keyson

TomorrowTomorrow Partly cloudy Partly cloudy 19°/9° 💧 0 mm 💨 9 km/h
Monday 28 SeptemberMon 28 Sep. Mostly sunny Mostly sunny 21°/8° 💧 0 mm 💨 10 km/h
Tuesday 29 SeptemberTue 29 Sep. Overcast Overcast 21°/11° 💧 0 mm 💨 12 km/h
Wednesday 30 SeptemberWed 30 Sep. Light rain Light rain 17°/13° 💧 12 mm 💨 14 km/h
Thursday 1 OctoberThu 1 Oct. Overcast Overcast 18°/10° 💧 0.1 mm 💨 17 km/h
Friday 2 OctoberFri 2 Oct. Overcast Overcast 17°/11° 💧 0 mm 💨 13 km/h
Saturday 3 OctoberSat 3 Oct. Mostly sunny Mostly sunny 11°/6° 💧 0 mm 💨 10 km/h
Sunday 4 OctoberSun 4 Oct. Overcast Overcast 9°/7° 💧 0.1 mm 💨 11 km/h
Monday 5 OctoberMon 5 Oct. Overcast Overcast 8°/5° 💧 1.2 mm 💨 16 km/h
Tuesday 6 OctoberTue 6 Oct. Mostly sunny Mostly sunny 9°/3° 💧 0 mm 💨 11 km/h
Wednesday 7 OctoberWed 7 Oct. Overcast Overcast 12°/7° 💧 0.0 mm 💨 21 km/h
Thursday 8 OctoberThu 8 Oct. Moderate rain Moderate rain 10°/8° 💧 15 mm 💨 24 km/h
Friday 9 OctoberFri 9 Oct. Light rain Light rain 8°/7° 💧 6.9 mm 💨 20 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Keyson

Vertical axis: °C · Horizontal axis: hours · Color based on temperature
Partly cloudy night · 8:00 p.m.
15° Today 8:00 p.m.
Overcast night · 9:00 p.m.
14° 9:00 p.m.
Mostly cloudy night · 10:00 p.m.
14° 10:00 p.m.
Partly cloudy night · 11:00 p.m.
13° 11:00 p.m.
Clear night · 12:00 a.m.
12° Tomorrow 12:00 a.m.
Clear night · 1:00 a.m.
11° 1:00 a.m.
Partly cloudy night · 2:00 a.m.
10° 2:00 a.m.
Partly cloudy night · 3:00 a.m.
10° 3:00 a.m.
Mostly clear night · 4:00 a.m.
10° Tomorrow 4:00 a.m.
Partly cloudy night · 5:00 a.m.
10° 5:00 a.m.
Mist at night · 6:00 a.m.
9° 6:00 a.m.
Fog at night · 7:00 a.m.
9° 7:00 a.m.
Fog · 8:00 a.m.
10° Tomorrow 8:00 a.m.
Fog · 9:00 a.m.
10° 9:00 a.m.
Partly cloudy · 10:00 a.m.
12° 10:00 a.m.
Sunny · 11:00 a.m.
15° 11:00 a.m.
Sunny · 12:00 p.m.
17° Tomorrow 12:00 p.m.
Partly cloudy · 1:00 p.m.
18° 1:00 p.m.
Mostly sunny · 2:00 p.m.
19° 2:00 p.m.
Sunny · 3:00 p.m.
19° 3:00 p.m.
Sunny · 4:00 p.m.
19° Tomorrow 4:00 p.m.
Sunny · 5:00 p.m.
19° 5:00 p.m.
Sunny · 6:00 p.m.
18° 6:00 p.m.
Sunny · 7:00 p.m.
15° 7:00 p.m.
Clear night · 8:00 p.m.
13° Tomorrow 8:00 p.m.
Clear night · 9:00 p.m.
12° 9:00 p.m.
Clear night · 10:00 p.m.
12° 10:00 p.m.
Clear night · 11:00 p.m.
11° 11:00 p.m.
Fog at night · 12:00 a.m.
11° Monday 12:00 a.m.
Mostly clear night · 1:00 a.m.
10° 1:00 a.m.
Clear night · 2:00 a.m.
9° 2:00 a.m.
Partly cloudy night · 3:00 a.m.
9° 3:00 a.m.
Mist at night · 4:00 a.m.
9° Monday 4:00 a.m.
Mostly cloudy night · 5:00 a.m.
9° 5:00 a.m.
Mostly cloudy night · 6:00 a.m.
8° 6:00 a.m.
Partly cloudy night · 7:00 a.m.
8° 7:00 a.m.
Fog · 8:00 a.m.
9° Monday 8:00 a.m.
Mostly sunny · 9:00 a.m.
10° 9:00 a.m.
Sunny · 10:00 a.m.
13° 10:00 a.m.
Sunny · 11:00 a.m.
16° 11:00 a.m.
Sunny · 12:00 p.m.
18° Monday 12:00 p.m.
Sunny · 1:00 p.m.
20° 1:00 p.m.
Sunny · 2:00 p.m.
21° 2:00 p.m.
Sunny · 3:00 p.m.
21° 3:00 p.m.
Mostly sunny · 4:00 p.m.
21° Monday 4:00 p.m.
Mostly sunny · 5:00 p.m.
21° 5:00 p.m.
Sunny · 6:00 p.m.
19° 6:00 p.m.
Partly cloudy · 7:00 p.m.
16° 7:00 p.m.
Mostly clear night · 8:00 p.m.
13° Monday 8:00 p.m.
Mostly clear night · 9:00 p.m.
13° 9:00 p.m.
Mostly clear night · 10:00 p.m.
12° 10:00 p.m.
Mostly clear night · 11:00 p.m.
12° 11:00 p.m.
Overcast night · 12:00 a.m.
11° Tuesday 12:00 a.m.
Overcast night · 1:00 a.m.
11° 1:00 a.m.
Overcast night · 2:00 a.m.
12° 2:00 a.m.
Mist at night · 3:00 a.m.
12° 3:00 a.m.
Mist at night · 4:00 a.m.
11° Tuesday 4:00 a.m.
Fog at night · 5:00 a.m.
11° 5:00 a.m.
Fog at night · 6:00 a.m.
11° 6:00 a.m.
Fog at night · 7:00 a.m.
11° 7:00 a.m.
Fog · 8:00 a.m.
11° Tuesday 8:00 a.m.
Mostly cloudy · 11:00 a.m.
15° 11:00 a.m.
Overcast · 2:00 p.m.
21° 2:00 p.m.
Overcast · 5:00 p.m.
20° 5:00 p.m.
Overcast night · 8:00 p.m.
16° Tuesday 8:00 p.m.
Overcast night · 11:00 p.m.
15° 11:00 p.m.
Overcast night · 2:00 a.m.
14° 2:00 a.m.
Light rain · 5:00 a.m.
13° 5:00 a.m.
Light rain · 8:00 a.m.
13° Wednesday 8:00 a.m.
Light rain · 2:00 p.m.
17° 2:00 p.m.
Mostly clear night · 8:00 p.m.
15° 8:00 p.m.
Mostly clear night · 2:00 a.m.
10° 2:00 a.m.
Overcast · 8:00 a.m.
11° Thursday 8:00 a.m.
Overcast · 2:00 p.m.
18° 2:00 p.m.
Overcast night · 8:00 p.m.
15° 8:00 p.m.
Overcast night · 2:00 a.m.
12° 2:00 a.m.
Mostly sunny · 8:00 a.m.
11° Friday 8:00 a.m.
Sunny · 2:00 p.m.
17° 2:00 p.m.
Mostly clear night · 8:00 p.m.
13° 8:00 p.m.
Mostly clear night · 2:00 a.m.
9° 2:00 a.m.
Mostly cloudy · 8:00 a.m.
6° Saturday 8:00 a.m.
Overcast · 2:00 p.m.
11° 2:00 p.m.
Overcast night · 8:00 p.m.
10° 8:00 p.m.
Overcast night · 2:00 a.m.
8° 2:00 a.m.
Overcast · 8:00 a.m.
7° Sunday 8:00 a.m.
Overcast · 2:00 p.m.
9° 2:00 p.m.
Mostly cloudy night · 8:00 p.m.
8° 8:00 p.m.
Overcast night · 2:00 a.m.
6° 2:00 a.m.
Overcast · 8:00 a.m.
5° Monday 8:00 a.m.
Partly cloudy · 2:00 p.m.
8° 2:00 p.m.
Mostly cloudy night · 8:00 p.m.
7° 8:00 p.m.
Mostly clear night · 2:00 a.m.
4° 2:00 a.m.
Partly cloudy · 8:00 a.m.
3° Tuesday 8:00 a.m.
Partly cloudy · 2:00 p.m.
9° 2:00 p.m.
Overcast night · 8:00 p.m.
7° 8:00 p.m.
Overcast night · 2:00 a.m.
7° 2:00 a.m.
Overcast · 8:00 a.m.
7° Wednesday 8:00 a.m.
Overcast · 2:00 p.m.
12° 2:00 p.m.
Overcast night · 8:00 p.m.
10° 8:00 p.m.
Overcast night · 2:00 a.m.
10° 2:00 a.m.
Light rain · 8:00 a.m.
9° Thursday 8:00 a.m.
Light rain · 2:00 p.m.
10° 2:00 p.m.
Moderate rain · 8:00 p.m.
8° 8:00 p.m.
Overcast night · 2:00 a.m.
7° 2:00 a.m.
Light rain · 8:00 a.m.
8° Friday 8:00 a.m.

AIR QUALITY FORECAST

Air Quality Forecast for Keyson

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 8:00 p.m.
PM2.5 PM2.5 Good 3,0µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 3,1µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Good 53,9µg/m³

Air quality is favorable for outdoor activities.

NO₂ NO₂ Good 0,8µg/m³

Air quality is favorable for outdoor activities.

Air quality is favorable for outdoor activities.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Keyson

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 3,4Moderate 🙂Fair
Tomorrow UV 3,5Moderate 🙂Fair
Tuesday UV 0,1Low 🙂Fair
Hourly UV index tomorrow
7:00 a.m.UV 0,0 8:00 a.m.UV 0,1 9:00 a.m.UV 0,5 10:00 a.m.UV 1,2 11:00 a.m.UV 2,2 12:00 p.m.UV 3,0 1:00 p.m.UV 3,4 2:00 p.m.UV 3,1 3:00 p.m.UV 3,1 4:00 p.m.UV 2,6 5:00 p.m.UV 1,9 6:00 p.m.UV 1,1 7:00 p.m.UV 0,3
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Keyson

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Tomorrow 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Tomorrow 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Tomorrow 8:00 a.m. 9:00 a.m. 10:00 a.m. 11:00 a.m. Tomorrow 12:00 p.m. 1:00 p.m. 2:00 p.m. 3:00 p.m. Tomorrow 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. Tomorrow 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Monday 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Monday 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Monday 8:00 a.m. 9:00 a.m. 10:00 a.m. 11:00 a.m. Monday 12:00 p.m. 1:00 p.m. 2:00 p.m. 3:00 p.m. Monday 4:00 p.m. 5:00 p.m. 6:00 p.m. 7:00 p.m. Monday 8:00 p.m. 9:00 p.m. 10:00 p.m. 11:00 p.m. Tuesday 12:00 a.m. 1:00 a.m. 2:00 a.m. 3:00 a.m. Tuesday 4:00 a.m. 5:00 a.m. 6:00 a.m. 7:00 a.m. Tuesday 8:00 a.m. 11:00 a.m. 2:00 p.m. 5:00 p.m. Tuesday 8:00 p.m. 11:00 p.m. 2:00 a.m. 5:00 a.m. Wednesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Thursday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Friday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Saturday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Sunday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Monday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Tuesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Wednesday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Thursday 8:00 a.m. 2:00 p.m. 8:00 p.m. 2:00 a.m. Friday 8:00 a.m.
Sustained wind Max gusts

The technical data used to calculate this forecast for Keyson were updated today at 7:04 p.m.. The displayed forecasts cover the period through 28/09/2026 at 5:00 p.m.. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team.

NIGHT SKY · KEYSON, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

82/100Best-hour score
BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 8:59 PM–5:33 AM
☁ Cloud cover 3% Real hourly forecast for the best viewing hour.
☾ Moonlight 100% Full Moon · Moon about 44° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 26° high at the best hour.
✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min21%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.